Found it through a large wholesaler who works in multiple states.

You want a platform that has built in TCPA protections as well as a multiple communication channels besides voice such as SMS and email.

Perhaps if your partner was a general contractor or handyman type there may be some merit there to reduce costs / increase profitability.If your partner enjoys deal sourcing, a better move might be for him to become an agent - so he could legally collect commissions from finding deals and managing properties for multiple people. 

Your best bet is to get on the phone, get multiple opinions, multiple quotes, and make decisions on the type of build before pulling the trigger.

But it feels like if you keep cashing out equity on your properties to buy another, you end up with multiple properties but with your equity stretched really thin, like a house of cards ready to collapse. 

Some will probably do fine with it, but the number of spectacular crashes amongst this demographic will be a multiple of the norm. 

Even with a great opportunity, trust is the foundation of any partnership.In my partnership, we had already worked together on multiple deals—me as the agent and him as the investor buyer—so we had established a strong foundation of trust.

That's not everyone - some legitimate players may just be short on cash because of projects (I've been there) - but it is a lot of people. 

Taylor sent multiple email inquiries to our insurance provider asking what risks their policy covered.

With the exception of 1 bedroom units, you basically have 2 options:-Oversized/commercial machines (potentially multiple sets)-Off site cleaning with clean spares on siteThe latter is almost always the most efficient and basically what hotels do at scale.